You can use any number of cash coupons ~ they are completely equivalent to using cash ~ and you can still enjoy other discounts with cash coupons ~ for example, college students with student ID cards can get 20% off on all orders ~ or go to the Pizza Hut official website to print coupons, but they can only be used once

One, but if the denomination of the cash coupon you use is more than the price of the food, there will be no change.